Scientists have predicted that there could be large planets the size of Jupiter or Uranus likely trapped at the edge of our solar system, much farther than the hypothetical planet X. Such a planet ...

Scientists are looking for evidence of alien technology in a faraway solar system with the most perfect mathematical alignment and synchrony of planets ever seen. The solar system, about 100 light ...

Artwork: Six worlds around a star like our Sun are ideal to study how planets formed and whether they are home to life Researchers have located "the perfect solar system", forged without the violent ...

'Extraterrestrial' fragments recovered from the Pacific Ocean floor could have come from an alien planet outside our solar system, an astronomer has claimed. Planetary scientist Humberto Campins said ...

A Harvard University astrophysicist has sparked a furious debate by warning he cannot rule out that extraterrestrials are ...

Something like this only occurs every nine million years. Astronomers say no other star is known to have approached this close to our Sun. This small, old, cool star, is also known as a ''red dwarf''.

I do so love an ostentatious comet. As I wrote in a recent “The Universe” column, when these dusty ice balls are billions of kilometers from the sun, they’re frozen solid. But as they near our star on ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Earth may owe some of its properties to a nearby star that blew up just as the solar system was forming. This pattern, which saw a supernova bubble envelop the sun and shower it with cosmic rays, may ...